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Finding the Fourth Proportional to 568,845.72, 784,940.22 and 314,181.72

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Solution

The fourth proportional to 568,845.72, 784,940.22 and 314,181.72 is: 433,533.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,845.72 : 784,940.22 = 314,181.72 : x
  2. Step 2: Convert to fraction form
    568,845.72/784,940.22 = 314,181.72/x
  3. Step 3: Cross multiply
    568,845.72x = 784,940.22 × 314,181.72
  4. Step 4: Simplify right side
    568,845.72x = 246,613,868,416.78
  5. Step 5: Solve for x
    x = 246,613,868,416.78/568,845.72
  6. Step 6: Final answer
    x = 433,533.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.